{
 "metadata": {},
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from architecture_further_formulas import *"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "<a id='lateralInhibition'></a><div style='font-size:1.7em;text-decoration:underline;font-weight:bold'>lateralInhibition</div>"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def lateralInhibition(ADDSObj, timeAndRefrac, latInhibSettings):\n",
      "\t# Activate lateral inhibition upon a spike to inhibit other neurons from spiking.  As brian's \n",
      "\t# Inhibition inhibits before dend input can increase the signal to balance things out.\t\n",
      "\ttNorm = timeAndRefrac.time - (floor((timeAndRefrac.time/.001)*.01) * .1)\n",
      "\tpreliminaryV = [None]*dictionaryLongitude\n",
      "\tgreatestMembraneVoltage = 0.0\n",
      "\tgreatestNeuronNumber = None\n",
      "\tneuronNumberFired = None\n",
      "\tneuronNumberAboutToFire = None\n",
      "\t\n",
      "\tfor neuronIndex in range(dictionaryLongitude):\n",
      "\t\tpreliminaryV[neuronIndex] = ADDSObj.prelimV[neuronIndex]\n",
      "\tfor neuronIndex in range(dictionaryLongitude):\n",
      "\t\tfor neuronIndex2 in range(len(preliminaryV)):\n",
      "\t\t\tif (neuronIndex != neuronIndex2) and (preliminaryV[neuronIndex2] >= greatestMembraneVoltage): \n",
      "\t\t\t\tgreatestMembraneVoltage = preliminaryV[neuronIndex2]\n",
      "\t\t\t\tgreatestNeuronNumber = neuronIndex\n",
      "\t\t\tif ADDSObj.UmSpikeFired[neuronIndex2] == 1*mV: neuronNumberFired = neuronIndex2\n",
      "\n",
      "\t\tif (greatestMembraneVoltage >= (10*mV)) and (neuronNumberFired == None):\n",
      "\t\t\tlatInhibSettings.voltageForInhibition = greatestMembraneVoltage - (10*mV)\n",
      "\t\t\tneuronNumberAboutToFire = greatestNeuronNumber\n",
      "\t\t\tlatInhibSettings.inhibitionReduction = 1.0\n",
      "\t\telif (greatestMembraneVoltage < (10*mV)) and (neuronNumberFired == None): \n",
      "\t\t\tlatInhibSettings.voltageForInhibition = greatestMembraneVoltage\n",
      "\t\telse:\n",
      "\t\t\tlatInhibSettings.voltageForInhibition = 70*mV#(70*mV/latInhibSettings.inhibitionReduction)\n",
      "\t\t\tif latInhibSettings.inhibitionReduction < 150: latInhibSettings.inhibitionReduction += 0.01\n",
      "\n",
      "\t#print 't\\t',ADDSObj.t,'preliminaryV\\t',preliminaryV,'ADDSObj.prelimV\\t',ADDSObj.prelimV\n",
      "\n",
      "\tfor neuronIndex in range(dictionaryLongitude):\t\t\n",
      "\t\tif neuronIndex != neuronNumberAboutToFire and neuronIndex != neuronNumberFired:\n",
      "\t\t\tpreliminaryV[neuronIndex] -= abs(latInhibSettings.voltageForInhibition)\n",
      "\t\t\tADDSObj.v[neuronIndex] = preliminaryV[neuronIndex]\n",
      "\n",
      "\t#print 'latInhibSettings.voltageForInhibition\\t',latInhibSettings.voltageForInhibition\n",
      "\t#print 'ADDSObj.v\\t',ADDSObj.v\n",
      "\n",
      "\treturn ADDSObj.v, latInhibSettings"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}